VSEPR Theory
Polarity
Lewis Structure
IMFs
Misc
100
The molecular shape and bond angle of CH4.
What is tetrahedral, 109.5˚?
100
The polarity of CO2.
What is non-polar?
100
Lewis structure for CO2.
O=C=O
100
This IMF occurs between any and all types of molecules and atoms including non-polar.
What is London-dispersion?
100
Give an example of a liquid that CaCl2 can dissolve in
Water
200
The molecular shape and bond angle of N2.
What is linear, 180˚?
200
The polarity of HBr.
What is polar?
200
Lewis structure and polarity for C2H4.
CH2CH2, nonpolar.
200
Hydrogen bonding IMF can only occur between molecules that have a hydrogen bonded to one of these three elements.
What are oxygen, nitrogen, and fluorine?
200
Explain why a molecule with polar bonds can still be nonpolar overall. Use molecular geometry in your explanation and provide one example.
there is an even distribution of charge
300
The molecular shape and bond angle of PCl3.
What is trigonal pyramidal, 109.5˚?
300
The polarity of CF4.
What is nonpolar?
300
Lewis structure and molecular shape of NH3.
What is trigonal pyramid?
300
Geckos use this type of IMF to climb walls.
What is Van der Waals?
300
Two compounds have similar molar masses, but one has a much higher boiling point. Describe how intermolecular forces could explain this difference.
One molecule could be polar and the other can be nonpolar
400
The molecular shape of SeF6.
What is octahedral?
400
The dipole arrow for a molecule is drawn from the ____ end of the molecule and points toward the ___ end of the molecule.
What is positive end pointing toward the negative end?
400
Lewis structure and polarity of OF2.
What is polar?
400
Acetone can evaporate faster than ethanol due to this type of IMF.
What is hydrogen bonding?
400
A molecule has a tetrahedral electron geometry but a trigonal pyramidal molecular geometry. Give an example of a compound with this geometry.
NH3
500
The molecular shape and bond angle of PF5.
What is trigonal bipyramidal?
500
H2CO lewis structure labeled with correct dipole arrows and polarity.
500
Lewis structure and molecular shape for COCl2.
What is trigonal planar?
500
These two types of IMFs occur due to permanent dipoles of molecules.
What are hydrogen bonding and dipole-dipole
500
Draw the Lewis structure of a molecule with 18 valence electrons that has at least one double bond and at least one lone pair on the central atom. Identify its molecular geometry and polarity.
SO2